@charset "UTF-8";
/*6.运算*/
div {
  width: 22.5%; }

p {
  width: 98.33333px; }

/*加法*/
p:before {
  content: "Microsoftyahei";
  font-family: Arial; }

/*减法*/
p {
  width: 17.5%; }

/*除法*/
p {
  font-size: 2px;
  width: 500px;
  height: 250px;
  margin: 9px; }

/*插值运算*/
p {
  content: "zhangdaxian ate 80baozis"; }

/*颜色运算*/
p {
  color: #020406;
  background: #557799;
  border-color: rgba(3, 4, 5, 0.5); }
